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SubjectRe: how is processor cache coherency maintained for device drivers
On Sun, Nov 11, 2001 at 08:55:52AM -0800, James Bottomley wrote:
> I believe (although you should take better advice from the PPC people) that
> the powerpc is completely cache coherent, so any coherency problems you may be
> having would be due to the hardware, not the kernel.

IIRC (probably wrong though) the PPC is not coherent for one of its caches,
but is for another. PPC people would definately know the details, I'm just
thinking of a thread I read on this a few weeks ago...

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